Quantitative analysis of the effect of clothing on the oscillometric waveform envelope and oscillometric blood pressure measurements.

IF 3.2 4区医学 Q2 ENGINEERING, BIOMEDICAL

Biomedical Engineering Letters Pub Date : 2025-02-17 eCollection Date: 2025-05-01 DOI:10.1007/s13534-025-00467-7

Jeonghoon Kim, Jongshill Lee, Jeyeon Lee, Hoon-Ki Park, In Young Kim

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Abstract

Purpose: To ensure accurate blood pressure (BP) measurement, it is important to follow guidelines, such as wearing the cuff on the bare arm. However, this recommendation is often challenging due to patients being dressed. This study quantitatively evaluates how wearing a cuff over clothing impacts BP accuracy using oscillometric waveform analysis.

Methods: BP was measured under three conditions: thick sleeve (3.5 mm), thin sleeve (1.5 mm), and bare arm. Oscillometric waveform envelopes (OMWE) were analyzed to extract features like maximum amplitude, width, and slope for each condition. BP measurements and extracted features from the bare arm condition were compared with those from each sleeve condition.

Results: The mean systolic blood pressure (SBP) and pulse pressure (PP) increased by 11.73 and 10.04 mmHg under thick sleeve conditions. These also increased by 4.308 and 4.731 mmHg under thin sleeve conditions (Thick: p < 0.001, Thin: p < 0.05). The mean of mean arterial pressure (MAP) and OMWE width increased by 5.039 and 5.059 mmHg under thick sleeve conditions (Thick: p < 0.025). The mean of maximum amplitude of OMWE under thick and thin sleeves decreased by 0.9428 and 0.4017 mmHg (Thick, Thin: p < 0.001). Diastolic blood pressure (DBP) increased under thick sleeve conditions; however, this was not statistically significant.

Conclusion: Wearing the cuff over clothing altered OMWE morphology, resulting in a lower, flatter shape similar to that seen in hypertensives. This significantly affected BP readings, particularly SBP. Therefore, following guidelines for cuff placement on bare arms is crucial for accurate BP measurement.

Trial registration number and date: Clinical Research Information Service (CRIS) KCT0008511, 22.05.2023.

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定量分析服装对振荡波形包络和振荡血压测量的影响。

目的：为了确保准确的血压测量，重要的是遵循指南，如在裸露的手臂上佩戴袖带。然而，这一建议往往具有挑战性，因为患者穿着整齐。本研究使用振荡波形分析定量评估在衣服上戴袖口对血压准确性的影响。方法：在厚套筒（3.5 mm）、薄套筒（1.5 mm）和裸臂三种情况下测量血压。对振荡波形包络（OMWE）进行分析，提取每种情况下的最大振幅、宽度和斜率等特征。将裸臂条件下的BP测量值和提取的特征进行比较。结果：厚套筒条件下平均收缩压（SBP）和脉压（PP）分别升高11.73和10.04 mmHg。在薄袖条件下，这些也增加了4.308和4.731 mmHg（厚：p p p p）结论：在衣服上穿袖改变了OMWE形态，导致更低、更平坦的形状，类似于高血压患者的形状。这显著影响了血压，尤其是收缩压。因此，遵循裸臂袖带放置指南对于准确测量血压至关重要。试验注册号和日期：临床研究信息服务（CRIS） kct0008511,22.05.2023。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Biomedical Engineering Letters ENGINEERING, BIOMEDICAL-

CiteScore

6.80

自引率

0.00%

发文量

期刊介绍： Biomedical Engineering Letters (BMEL) aims to present the innovative experimental science and technological development in the biomedical field as well as clinical application of new development. The article must contain original biomedical engineering content, defined as development, theoretical analysis, and evaluation/validation of a new technique. BMEL publishes the following types of papers: original articles, review articles, editorials, and letters to the editor. All the papers are reviewed in single-blind fashion.